USRE27107E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drug composition
Assignee: —
•
Filing: 1968-05-01
•
Granted: 1971-03-30
•
Expires: 1988-05-01
Abstract
Abstract A COMPOSITION IN ORAL DOSAGE FORM, AND METHOD OF MAKING SAME, COMPRISING A PARTICULAR POROUS PLASTIC MATRIX AND A WATER SOLUBLE DRUG DISPERSED IN SAID MATRIX.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:55
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/20; A61K9/2004; A61K9/2022; A61K9/2027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-29 | 1974-09-28 | 1975-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-29 | 1978-09-28 | 1979-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-29 | 1982-09-28 | 1983-03-30 | $7700.00 | Window Closed / Lapsed |